Description
ASUS ROG Astral LC RTX 5090 for Extreme Performance
The ASUS ROG Astral LC RTX 5090 is a premium liquid-cooled graphics card designed for enthusiasts and professionals who demand high GPU performance while maintaining advanced thermal control. It combines the NVIDIA GeForce RTX 5090 GPU with 32GB of GDDR7 memory, a 512-bit memory interface, and PCI Express 5.0 connectivity.
The card uses a dedicated liquid-cooling solution with a 400mm radiator and a 2.5-slot graphics card design. This configuration separates the radiator from the GPU board, allowing the card itself to maintain a relatively slim profile while providing substantial cooling capacity.
32GB GDDR7 Memory
The ASUS ROG Astral LC RTX 5090 features 32GB of GDDR7 memory connected through a 512-bit memory interface. The memory operates at up to 28 Gbps, providing the bandwidth required for demanding gaming and professional GPU workloads.
The large memory capacity is useful for high-resolution textures, complex 3D projects, AI applications, video production, and other workloads that can benefit from substantial GPU memory.
NVIDIA GeForce RTX 5090 Architecture
At the center of the graphics card is the NVIDIA GeForce RTX 5090, equipped with 21,760 CUDA cores. The GPU is designed for demanding modern applications including high-end gaming, real-time rendering, AI-accelerated workloads, and professional content creation.
The RTX platform also provides dedicated hardware acceleration for ray tracing and AI-based graphics technologies. Compatible games and applications can take advantage of NVIDIA’s latest technologies to improve image quality and performance.
360mm Liquid Cooling
One of the defining features of this model is its integrated liquid-cooling design. The system uses a large 400 × 120 × 65 mm radiator, giving the cooling system substantial surface area for heat dissipation.
The liquid-cooled design makes this graphics card particularly interesting for high-end PC builders who want advanced thermal management without installing a separate custom GPU water-cooling loop.
The GPU itself measures approximately 288.46 × 153.7 × 48 mm and occupies 2.5 slots, while the radiator requires additional mounting space inside the PC case.
High-Resolution Display Connectivity
The ASUS ROG Astral LC RTX 5090 provides three DisplayPort 2.1b outputs and two HDMI 2.1b outputs.
The graphics card supports a maximum digital resolution of 7680 × 4320 and up to four displays simultaneously. This makes it suitable for high-resolution gaming systems, multi-monitor workstations, creative applications, and professional environments.
PCI Express 5.0 Interface
The card uses a PCI Express 5.0 interface for high-bandwidth communication with compatible desktop platforms.
For optimal installation, users should verify motherboard compatibility, case clearance, radiator mounting positions, and power-supply requirements before purchasing.
Power Requirements
ASUS specifies a 1000W recommended power supply for this graphics card. It uses a single 16-pin power connector.
Because the graphics card is designed for a high-performance system, buyers should make sure their power supply is suitable for the complete PC configuration and that the required power connector is available.
Premium ROG Design
The ROG Astral LC combines a premium graphics-card design with ARGB lighting and ASUS Aura Sync compatibility. The black design is intended for high-end gaming PCs and enthusiast builds.
The included accessories listed for this model include a ROG graphics card holder, Velcro accessory, ROG magnet, ROG PCB ruler, graphics card keycap, manual, and power adapter.
For official drivers and software, users can access the ASUS Support website.
Who Should Buy the ROG Astral LC RTX 5090?
This graphics card is aimed at users building premium systems for:
- High-end 4K gaming
- High-resolution gaming
- Ray-traced graphics
- AI workloads
- 3D rendering
- Video production
- Content creation
- Professional visualization
- Multi-monitor workstations
Its combination of the RTX 5090 GPU, 32GB GDDR7 memory, 512-bit interface, PCIe 5.0 connectivity, and liquid cooling makes it a specialized option for users who want flagship-class graphics performance with an advanced cooling solution.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | ASUS |
| Series | ROG Astral LC |
| GPU | NVIDIA GeForce RTX 5090 |
| VRAM | 32GB GDDR7 |
| Memory Interface | 512-bit |
| Memory Speed | 28 Gbps |
| CUDA Cores | 21,760 |
| OC Clock | 2467 MHz |
| Default Boost | 2437 MHz |
| Interface | PCI Express 5.0 |
| DisplayPort | 3 × DisplayPort 2.1b |
| HDMI | 2 × HDMI 2.1b |
| Maximum Resolution | 7680 × 4320 |
| Maximum Displays | 4 |
| Power Connector | 1 × 16-pin |
| Recommended PSU | 1000W |
| GPU Slot | 2.5-slot |
| GPU Dimensions | 288.46 × 153.7 × 48 mm |
| Radiator | 400 × 120 × 65 mm |
| Lighting | ARGB / Aura Sync |









Reviews
There are no reviews yet.